/* ========================================
   MERN COURSE LANDING PAGE - PREMIUM CSS
   Conversion-Optimized Dark Theme v2.0
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    --mern-primary: #ff6b00;
    --mern-primary-light: #ff8c33;
    --mern-secondary: #6c5ce7;
    --mern-accent: #00d2ff;
    --mern-bg: #05050a;
    --mern-surface: #0c0c14;
    --mern-surface-2: #10101a;
    --mern-surface-3: #161625;
    --mern-glass-border: rgba(255, 255, 255, 0.06);
    --mern-text: #ffffff;
    --mern-text-muted: rgba(255, 255, 255, 0.55);
    --mern-text-dim: rgba(255, 255, 255, 0.3);
    --mern-success: #00e676;
    --mern-react: #61DAFB;
    --mern-node: #339933;
    --mern-mongo: #47A248;
    --mern-express: #ffffff;
    --mern-gradient: linear-gradient(135deg, #ff6b00 0%, #ff8c33 50%, #6c5ce7 100%);
    --mern-gradient-alt: linear-gradient(135deg, #ff6b00, #ff3d00);
    --mern-gradient-glow: linear-gradient(135deg, rgba(255, 107, 0, 0.15), rgba(108, 92, 231, 0.1));
    --mern-radius: 20px;
    --mern-radius-sm: 14px;
    --mern-radius-pill: 50px;
}

body.mern-landing-body {
    font-family: 'Outfit', 'Inter', sans-serif;
    background: var(--mern-bg);
    color: var(--mern-text);
    overflow-x: hidden;
}

/* ========================================
   HERO SECTION - CINEMATIC VIDEO BG
   ======================================== */

.mern-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

.mern-hero-video-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.mern-hero-video-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    filter: brightness(0.5) saturate(1.3) contrast(1.1);
    transform: scale(1.05);
}

.mern-hero-video-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(5, 5, 10, 0.85) 0%, rgba(5, 5, 10, 0.3) 35%, rgba(5, 5, 10, 0.6) 65%, rgba(5, 5, 10, 0.98) 100%),
        radial-gradient(ellipse at 20% 50%, rgba(255, 107, 0, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 30%, rgba(108, 92, 231, 0.08) 0%, transparent 50%);
    z-index: 1;
}

.mern-hero-content {
    position: relative;
    z-index: 2;
    padding: 60px 0 80px;
}

/* Hero Badges */
.mern-hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.mern-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid rgba(255, 107, 0, 0.2);
    padding: 8px 18px;
    border-radius: var(--mern-radius-pill);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--mern-primary);
    backdrop-filter: blur(12px);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.mern-badge-live {
    background: rgba(0, 230, 118, 0.08);
    border-color: rgba(0, 230, 118, 0.25);
    color: var(--mern-success);
}

.mern-badge-live .dot {
    width: 6px;
    height: 6px;
    background: var(--mern-success);
    border-radius: 50%;
    animation: livePulse 1.5s ease-in-out infinite;
}

@keyframes livePulse {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 8px var(--mern-success);
    }

    50% {
        opacity: 0.3;
        box-shadow: 0 0 2px var(--mern-success);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Hero Title */
.mern-hero-title {
    font-size: clamp(2.5rem, 6vw, 4.8rem);
    font-weight: 900;
    line-height: 1.06;
    color: #fff;
    margin-bottom: 22px;
    letter-spacing: -1.5px;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.mern-hero-title .gradient-word {
    background: var(--mern-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.mern-hero-subtitle {
    font-size: 1.15rem;
    color: var(--mern-text-muted);
    max-width: 560px;
    line-height: 1.8;
    margin-bottom: 38px;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

.mern-hero-subtitle strong {
    color: rgba(255, 255, 255, 0.85);
}

/* Hero CTA Group */
.mern-hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.8s;
    opacity: 0;
}

.mern-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 17px 38px;
    background: var(--mern-gradient-alt);
    color: #fff;
    border: none;
    border-radius: var(--mern-radius-sm);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(255, 107, 0, 0.3), 0 0 80px rgba(255, 107, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.mern-cta-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.mern-cta-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 14px 50px rgba(255, 107, 0, 0.5), 0 0 120px rgba(255, 107, 0, 0.12);
    color: #fff;
    text-decoration: none;
}

.mern-cta-primary:hover::before {
    opacity: 1;
}

.mern-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 17px 34px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    border-radius: var(--mern-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.35s ease;
    backdrop-filter: blur(12px);
}

.mern-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
}

/* Hero Stats */
.mern-hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1s;
    opacity: 0;
}

.mern-stat {
    text-align: center;
}

.mern-stat-value {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--mern-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 4px;
}

.mern-stat-label {
    font-size: 0.72rem;
    color: var(--mern-text-muted);
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

/* Hero Right Visual — Floating Tech Stack */
.mern-tech-stack-visual {
    position: relative;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 1;
    margin: 0 auto;
}

.mern-tech-orbit {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.04);
    animation: orbitSpin 22s linear infinite;
}

.mern-tech-orbit:nth-child(2) {
    inset: 15%;
    animation-direction: reverse;
    animation-duration: 16s;
    border-color: rgba(255, 107, 0, 0.08);
}

.mern-tech-orbit:nth-child(3) {
    inset: 30%;
    animation-duration: 28s;
    border-color: rgba(108, 92, 231, 0.06);
}

@keyframes orbitSpin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.mern-center-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--mern-gradient-alt);
    border-radius: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.4rem;
    color: #fff;
    box-shadow: 0 0 70px rgba(255, 107, 0, 0.25), 0 0 140px rgba(255, 107, 0, 0.08);
    z-index: 5;
    letter-spacing: -0.5px;
}

.mern-orbit-icon {
    position: absolute;
    width: 56px;
    height: 56px;
    background: rgba(16, 16, 26, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
    animation: floatIcon 4s ease-in-out infinite;
    z-index: 4;
    backdrop-filter: blur(10px);
}

.mern-orbit-icon:nth-child(5) {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0s;
    color: var(--mern-mongo);
}

.mern-orbit-icon:nth-child(6) {
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    animation-delay: 0.5s;
    color: var(--mern-express);
}

.mern-orbit-icon:nth-child(7) {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 1s;
    color: var(--mern-react);
}

.mern-orbit-icon:nth-child(8) {
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    animation-delay: 1.5s;
    color: var(--mern-node);
}

@keyframes floatIcon {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-10px) scale(1.08);
    }
}

/* ========================================
   TRUST BAR — SOCIAL PROOF STRIP
   ======================================== */

.mern-trust-strip {
    padding: 30px 0;
    background: var(--mern-surface);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.mern-trust-strip-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.mern-trust-strip-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--mern-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.mern-trust-strip-item i {
    font-size: 1.4rem;
    color: var(--mern-primary);
}

.mern-trust-strip-item strong {
    color: #fff;
    font-weight: 700;
}


/* ========================================
   URGENCY BAR
   ======================================== */

.mern-urgency-bar {
    background: linear-gradient(90deg, var(--mern-primary), #ff3d00, var(--mern-secondary));
    padding: 14px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mern-urgency-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.mern-urgency-text {
    font-weight: 700;
    color: #fff;
    font-size: 0.95rem;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.mern-urgency-text i {
    font-size: 1.2rem;
}


/* ========================================
   COURSE OVERVIEW / JOURNEY SECTION
   ======================================== */

.mern-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 0, 0.06);
    border: 1px solid rgba(255, 107, 0, 0.12);
    padding: 7px 20px;
    border-radius: var(--mern-radius-pill);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--mern-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.mern-section-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.mern-section-title .highlight {
    background: var(--mern-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mern-section-desc {
    font-size: 1.05rem;
    color: var(--mern-text-muted);
    line-height: 1.75;
    max-width: 600px;
}

/* Highlight utility */
.highlight {
    background: var(--mern-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}


/* ========================================
   JOURNEY CIRCULAR DESIGN
   ======================================== */

.mern-journey {
    padding: 120px 0;
    background: var(--mern-bg);
    position: relative;
    overflow: hidden;
}

.mern-journey::before {
    content: '';
    position: absolute;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.04) 0%, transparent 65%);
    top: -200px;
    left: -200px;
    pointer-events: none;
}

.journey-title-large {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 20px;
}

.journey-desc-large {
    font-size: 1.2rem;
    color: var(--mern-text-muted);
    max-width: 400px;
    line-height: 1.65;
}

.journey-circular-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    aspect-ratio: 1 / 1;
    margin: 20px auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.journey-main-circle {
    position: absolute;
    inset: 15%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    z-index: 1;
}

.journey-main-circle::before,
.journey-main-circle::after,
.circle-marker-2,
.circle-marker-4 {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 8px solid rgba(255, 255, 255, 0.5);
    z-index: 2;
}

.journey-main-circle::before {
    top: -5px;
    left: 50%;
    transform: translateX(-50%) rotate(90deg);
}

.journey-main-circle::after {
    top: 50%;
    right: -5px;
    transform: translateY(-50%) rotate(180deg);
}

.circle-marker-4 {
    top: 50%;
    left: -5px;
    transform: translateY(-50%) rotate(0deg);
}

.circle-marker-2 {
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%) rotate(270deg);
}

.journey-box {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 5;
    width: 300px;
}

.journey-text h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.journey-text p {
    font-size: 0.8rem;
    color: var(--mern-text-muted);
    line-height: 1.5;
    margin: 0;
}

.journey-icon {
    width: 64px;
    height: 64px;
    background: var(--mern-bg);
    border: 2px solid rgba(255, 107, 0, 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--mern-primary);
    flex-shrink: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    z-index: 10;
}

.journey-box:hover .journey-icon {
    border-color: var(--mern-primary);
    box-shadow: 0 0 30px rgba(255, 107, 0, 0.15);
}

.box-tl {
    top: 7%;
    left: -60px;
}

.box-tr {
    top: 7%;
    right: -60px;
}

.box-br {
    bottom: 7%;
    right: -60px;
}

.box-bl {
    bottom: 7%;
    left: -60px;
}

@media (max-width: 1200px) {
    .journey-box {
        width: 250px;
    }

    .box-tl,
    .box-bl {
        left: -20px;
    }

    .box-tr,
    .box-br {
        right: -20px;
    }
}

@media (max-width: 991px) {
    .journey-circular-container {
        aspect-ratio: auto;
        height: auto;
        flex-direction: column;
        gap: 20px;
    }

    .journey-main-circle {
        display: none;
    }

    .journey-box {
        position: static;
        width: 100%;
        background: var(--mern-surface-2);
        padding: 20px;
        border-radius: 16px;
        border: 1px solid var(--mern-glass-border);
    }
}


/* ========================================
   SYLLABUS SECTION — VERTICAL TIMELINE
   ======================================== */

.mern-syllabus {
    padding: 100px 0 120px;
    background: var(--mern-surface);
    position: relative;
}

.mern-syllabus::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 10% 20%, rgba(255, 107, 0, 0.04) 0%, transparent 55%),
        radial-gradient(ellipse at 90% 80%, rgba(108, 92, 231, 0.03) 0%, transparent 55%);
    pointer-events: none;
}

/* Vertical Timeline */
.mern-timeline {
    position: relative;
    z-index: 2;
    padding: 20px 0;
}

.mern-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, transparent 0%, rgba(255, 107, 0, 0.35) 10%, rgba(255, 107, 0, 0.5) 50%, rgba(255, 107, 0, 0.35) 90%, transparent 100%);
    transform: translateX(-50%);
    border-radius: 3px;
}

.mern-tl-item {
    position: relative;
    width: 50%;
    padding: 0 50px 50px;
    box-sizing: border-box;
}

.mern-tl-item.left {
    left: 0;
    padding-right: 50px;
    padding-left: 0;
    text-align: right;
}

.mern-tl-item.right {
    left: 50%;
    padding-left: 50px;
    padding-right: 0;
    text-align: left;
}

.mern-tl-dot {
    position: absolute;
    width: 18px;
    height: 18px;
    background: var(--mern-gradient-alt);
    border-radius: 50%;
    top: 8px;
    z-index: 3;
    box-shadow: 0 0 0 5px rgba(255, 107, 0, 0.1), 0 0 25px rgba(255, 107, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mern-tl-item.left .mern-tl-dot {
    right: -9px;
}

.mern-tl-item.right .mern-tl-dot {
    left: -9px;
}

.mern-tl-item:hover .mern-tl-dot {
    transform: scale(1.35);
    box-shadow: 0 0 0 8px rgba(255, 107, 0, 0.15), 0 0 35px rgba(255, 107, 0, 0.4);
}

.mern-tl-card {
    background: var(--mern-surface-2);
    border: 1px solid var(--mern-glass-border);
    border-radius: var(--mern-radius);
    padding: 28px 26px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.mern-tl-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--mern-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mern-tl-item:hover .mern-tl-card {
    border-color: rgba(255, 107, 0, 0.15);
    background: var(--mern-surface-3);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.mern-tl-item:hover .mern-tl-card::before {
    opacity: 1;
}

.mern-tl-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    background: var(--mern-gradient-alt);
    border-radius: 12px;
    font-weight: 800;
    font-size: 0.8rem;
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.2);
    margin-bottom: 12px;
}

.mern-tl-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 4px;
}

.mern-tl-tag {
    display: inline-block;
    font-size: 0.68rem;
    color: var(--mern-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 14px;
}

.mern-tl-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.mern-tl-item.left .mern-tl-topics {
    justify-content: flex-end;
}

.mern-tl-item.right .mern-tl-topics {
    justify-content: flex-start;
}

.mern-tl-topics span {
    background: rgba(255, 107, 0, 0.05);
    border: 1px solid rgba(255, 107, 0, 0.1);
    color: var(--mern-text-muted);
    padding: 5px 14px;
    border-radius: var(--mern-radius-pill);
    font-size: 0.74rem;
    font-weight: 500;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.mern-tl-topics span:hover {
    background: rgba(255, 107, 0, 0.1);
    border-color: rgba(255, 107, 0, 0.2);
    color: #fff;
}


/* ========================================
   PROJECTS & TECH STACK SECTION
   ======================================== */

.mern-projects {
    padding: 100px 0;
    background: var(--mern-bg);
    position: relative;
}

.mern-projects::before {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.03) 0%, transparent 65%);
    bottom: -300px;
    right: -300px;
    pointer-events: none;
}

.mern-project-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 60px;
}

.mern-project-num {
    font-size: clamp(4rem, 10vw, 7rem);
    font-weight: 900;
    background: var(--mern-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.mern-project-label {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
}

.mern-project-label span {
    display: block;
    font-size: 0.9rem;
    color: var(--mern-text-muted);
    font-weight: 400;
    margin-top: 4px;
}

/* Tech icons row */
.mern-tech-row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.mern-tech-icon {
    width: 82px;
    height: 82px;
    background: var(--mern-surface-2);
    border: 1px solid var(--mern-glass-border);
    border-radius: var(--mern-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.35s ease;
    cursor: default;
}

.mern-tech-icon i,
.mern-tech-icon img {
    font-size: 1.8rem;
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.mern-tech-icon span {
    font-size: 0.6rem;
    color: var(--mern-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.mern-tech-icon:hover {
    transform: translateY(-8px) scale(1.05);
    border-color: rgba(255, 107, 0, 0.25);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3), 0 0 25px rgba(255, 107, 0, 0.06);
}


/* ========================================
   COMPARISON / WHY BBX SECTION
   ======================================== */

.mern-why-section {
    padding: 100px 0;
    background: var(--mern-surface);
    position: relative;
    overflow: hidden;
}

.mern-why-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 230, 118, 0.03) 0%, transparent 65%);
    bottom: -200px;
    left: -200px;
    pointer-events: none;
}

.mern-comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.mern-compare-card {
    background: var(--mern-surface-2);
    border: 1px solid var(--mern-glass-border);
    border-radius: 24px;
    padding: 35px;
    position: relative;
    transition: all 0.3s ease;
}

.mern-compare-card.traditional {
    opacity: 0.55;
}

.mern-compare-card.bbx {
    border-color: rgba(255, 107, 0, 0.15);
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.04), var(--mern-surface-2));
    box-shadow: 0 0 60px rgba(255, 107, 0, 0.04);
}

.mern-compare-card.bbx:hover {
    border-color: rgba(255, 107, 0, 0.25);
    box-shadow: 0 0 80px rgba(255, 107, 0, 0.06);
}

.mern-compare-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mern-compare-card h3 i {
    font-size: 1.3rem;
}

.mern-compare-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mern-compare-list li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--mern-text-muted);
    font-size: 0.9rem;
}

.mern-compare-list li:last-child {
    border-bottom: none;
}

.mern-compare-list li i {
    font-size: 0.85rem;
    flex-shrink: 0;
}

.mern-compare-card.traditional .mern-compare-list li i {
    color: #ff4444;
}

.mern-compare-card.bbx .mern-compare-list li i {
    color: var(--mern-success);
}


/* ========================================
   MENTORS SECTION
   ======================================== */

.mern-mentors {
    padding: 100px 0;
    background: var(--mern-bg);
    position: relative;
}

.mern-mentor-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin: 0 auto;
}

.mern-mentor-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    height: 400px;
    background: var(--mern-surface-2);
    border: 1px solid var(--mern-glass-border);
    cursor: pointer;
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.mern-mentor-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 107, 0, 0.2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.mern-mentor-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.mern-mentor-card:hover img {
    transform: scale(1.08);
}

.mern-mentor-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 35px 22px 22px;
    background: linear-gradient(to top, rgba(5, 5, 10, 0.97) 0%, rgba(5, 5, 10, 0.6) 65%, transparent 100%);
}

.mern-mentor-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 3px;
}

.mern-mentor-info span {
    font-size: 0.78rem;
    color: var(--mern-primary);
    font-weight: 500;
}

.mern-mentor-detail {
    font-size: 0.76rem;
    color: var(--mern-text-muted);
    margin-top: 8px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s ease;
}

.mern-mentor-card:hover .mern-mentor-detail {
    max-height: 80px;
}


/* ========================================
   GOOGLE REVIEWS / SOCIAL PROOF
   ======================================== */

.mern-social-proof {
    padding: 100px 0;
    background: var(--mern-surface);
    position: relative;
    overflow: hidden;
}

.mern-social-proof::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.04), transparent 70%);
    top: -200px;
    right: -200px;
    pointer-events: none;
}

.mern-google-review-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.mern-google-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--mern-surface-2);
    border: 1px solid var(--mern-glass-border);
    border-radius: var(--mern-radius-pill);
    text-decoration: none;
    transition: all 0.3s ease;
}

.mern-google-logo:hover {
    border-color: rgba(255, 107, 0, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    text-decoration: none;
}

.mern-google-logo img {
    width: 24px;
    height: 24px;
}

.mern-google-logo-text {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}

.mern-google-rating-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--mern-text-muted);
}

.mern-google-rating-badge .rating-num {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffc107;
}

.mern-google-rating-badge .rating-stars {
    color: #ffc107;
    font-size: 1rem;
    display: flex;
    gap: 2px;
}

.mern-google-rating-badge .rating-count {
    font-size: 0.85rem;
    color: var(--mern-text-muted);
}

.mern-proof-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 20px 0;
}

.mern-proof-card {
    background: var(--mern-surface-2);
    border: 1px solid var(--mern-glass-border);
    border-radius: var(--mern-radius);
    padding: 30px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.mern-proof-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--mern-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mern-proof-card:hover {
    border-color: rgba(255, 107, 0, 0.15);
    transform: translateY(-6px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3);
}

.mern-proof-card:hover::before {
    opacity: 1;
}

.mern-proof-card-google {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.mern-proof-card-google img {
    width: 20px;
    height: 20px;
    opacity: 0.6;
}

.mern-proof-stars {
    color: #ffc107;
    font-size: 0.95rem;
    display: flex;
    gap: 3px;
}

.mern-proof-stars i {
    animation: starPulse 2s ease-in-out infinite;
    animation-delay: calc(var(--i, 0) * 0.1s);
}

@keyframes starPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.mern-proof-text {
    color: var(--mern-text-muted);
    font-size: 0.92rem;
    line-height: 1.8;
    margin-bottom: 22px;
    font-style: italic;
    position: relative;
    padding-left: 18px;
    border-left: 3px solid rgba(255, 107, 0, 0.15);
}

.mern-proof-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.mern-proof-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--mern-gradient-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.2);
    flex-shrink: 0;
}

.mern-proof-name {
    font-weight: 600;
    color: #fff;
    font-size: 0.92rem;
}

.mern-proof-role {
    font-size: 0.78rem;
    color: var(--mern-text-dim);
    margin-top: 2px;
}

.mern-google-view-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 35px;
    padding: 12px 28px;
    background: var(--mern-surface-2);
    border: 1px solid var(--mern-glass-border);
    border-radius: var(--mern-radius-pill);
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.mern-google-view-all:hover {
    border-color: rgba(255, 107, 0, 0.3);
    background: rgba(255, 107, 0, 0.05);
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
}

.mern-google-view-all img {
    width: 18px;
    height: 18px;
}

.mern-google-view-all i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.mern-google-view-all:hover i {
    transform: translateX(4px);
}


/* ========================================
   FAQ SECTION
   ======================================== */

.mern-faq {
    padding: 100px 0;
    background: var(--mern-bg);
    position: relative;
}

.mern-faq::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.04) 0%, transparent 65%);
    top: -200px;
    right: -200px;
    pointer-events: none;
}

.mern-faq-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 780px;
    margin: 0 auto;
}

.mern-faq-item {
    background: var(--mern-surface-2);
    border: 1px solid var(--mern-glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.mern-faq-item.active {
    border-color: rgba(255, 107, 0, 0.15);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.mern-faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 25px;
    cursor: pointer;
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    gap: 15px;
    transition: background 0.2s ease;
}

.mern-faq-q:hover {
    background: rgba(255, 255, 255, 0.02);
}

.mern-faq-icon {
    width: 34px;
    height: 34px;
    min-width: 34px;
    background: rgba(255, 107, 0, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mern-primary);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.mern-faq-item.active .mern-faq-icon {
    transform: rotate(45deg);
    background: var(--mern-primary);
    color: #fff;
}

.mern-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.mern-faq-item.active .mern-faq-a {
    max-height: 300px;
}

.mern-faq-a p {
    padding: 0 25px 22px;
    color: var(--mern-text-muted);
    font-size: 0.9rem;
    line-height: 1.75;
}


/* ========================================
   FINAL CTA SECTION
   ======================================== */

.mern-final-cta {
    padding: 130px 0;
    background:
        linear-gradient(135deg, rgba(255, 107, 0, 0.07) 0%, transparent 45%),
        linear-gradient(225deg, rgba(108, 92, 231, 0.05) 0%, transparent 45%),
        var(--mern-surface);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mern-final-cta::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.08), transparent 65%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.mern-final-cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.mern-final-cta-desc {
    font-size: 1.1rem;
    color: var(--mern-text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.75;
    position: relative;
    z-index: 2;
}

.mern-final-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.mern-final-trust {
    margin-top: 45px;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.mern-trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--mern-text-muted);
    font-size: 0.85rem;
}

.mern-trust-item i {
    color: var(--mern-success);
}


/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1200px) {
    .mern-module-grid {
        gap: 20px;
    }
}

@media (max-width: 991px) {
    .mern-hero {
        min-height: auto;
        padding-top: 100px;
    }

    .mern-hero-content {
        padding: 30px 0;
    }

    .mern-hero-stats {
        gap: 25px;
    }

    .mern-tech-stack-visual {
        max-width: 300px;
        margin-top: 40px;
    }

    .mern-comparison-grid {
        grid-template-columns: 1fr;
    }

    .mern-mentor-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .mern-mentor-card {
        height: 320px;
    }

    .mern-proof-row {
        grid-template-columns: 1fr;
    }

    .mern-social-proof {
        padding: 70px 0;
    }

    .mern-trust-strip-inner {
        gap: 25px;
    }

    /* Timeline responsive */
    .mern-timeline::before {
        left: 20px;
    }

    .mern-tl-item {
        width: 100%;
        padding: 0 0 40px 55px;
    }

    .mern-tl-item.left {
        padding-right: 0;
        padding-left: 55px;
        text-align: left;
    }

    .mern-tl-item.right {
        left: 0;
        padding-left: 55px;
        padding-right: 0;
    }

    .mern-tl-item.left .mern-tl-dot,
    .mern-tl-item.right .mern-tl-dot {
        left: 11px;
        right: auto;
    }

    .mern-tl-item.left .mern-tl-topics {
        justify-content: flex-start;
    }
}

@media (max-width: 768px) {
    .mern-hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .mern-stat-value {
        font-size: 1.6rem;
    }

    .mern-overview,
    .mern-syllabus,
    .mern-projects,
    .mern-why-section,
    .mern-mentors,
    .mern-social-proof,
    .mern-faq {
        padding: 60px 0;
    }

    .mern-final-cta {
        padding: 80px 0;
    }

    .mern-project-counter {
        flex-direction: column;
        gap: 8px;
    }

    .mern-tech-icon {
        width: 65px;
        height: 65px;
    }

    .mern-trust-strip-inner {
        gap: 20px;
    }

    .mern-trust-strip-item {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .mern-hero-title {
        font-size: 2.1rem;
    }

    .mern-hero-subtitle {
        font-size: 1rem;
    }

    .mern-hero-cta-group {
        flex-direction: column;
    }

    .mern-cta-primary,
    .mern-cta-secondary {
        justify-content: center;
        width: 100%;
    }

    .mern-center-logo {
        width: 70px;
        height: 70px;
        font-size: 1rem;
    }

    .mern-orbit-icon {
        width: 42px;
        height: 42px;
        font-size: 1.1rem;
    }

    .mern-tech-stack-visual {
        max-width: 250px;
    }

    .mern-mentor-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .mern-mentor-card {
        height: 250px;
    }

    .mern-proof-card {
        min-width: 280px;
    }

    .mern-urgency-text {
        font-size: 0.82rem;
    }

    .mern-trust-strip-inner {
        flex-direction: column;
        gap: 14px;
        align-items: center;
    }
}


/* ========================================
   UTILITY & ANIMATION
   ======================================== */

.mern-gradient-text {
    background: var(--mern-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* AOS override */
[data-aos="mern-fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition-property: opacity, transform;
}

[data-aos="mern-fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Sticky CTA for Mobile */
.mern-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 20px;
    background: rgba(5, 5, 10, 0.96);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 107, 0, 0.15);
    z-index: 999;
    justify-content: center;
    gap: 10px;
}

.mern-sticky-cta .mern-cta-primary {
    flex: 1;
    justify-content: center;
    padding: 14px;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .mern-sticky-cta {
        display: flex;
    }

    body.mern-landing-body {
        padding-bottom: 70px;
    }
}

/* Scrollbar styling */
.mern-landing-body::-webkit-scrollbar {
    width: 5px;
}

.mern-landing-body::-webkit-scrollbar-track {
    background: var(--mern-bg);
}

.mern-landing-body::-webkit-scrollbar-thumb {
    background: rgba(255, 107, 0, 0.25);
    border-radius: 3px;
}


/* ========================================
   COUNTDOWN BAR (URGENCY/SCARCITY)
   ======================================== */

.mern-countdown-bar {
    background: linear-gradient(90deg, #0c0c14 0%, rgba(255, 107, 0, 0.08) 50%, #0c0c14 100%);
    border-top: 1px solid rgba(255, 107, 0, 0.1);
    border-bottom: 1px solid rgba(255, 107, 0, 0.1);
    padding: 18px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mern-countdown-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.05), transparent);
    animation: shimmer 4s ease-in-out infinite;
}

.mern-countdown-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.mern-countdown-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--mern-text-muted);
}

.mern-countdown-label strong {
    color: var(--mern-primary);
}

.mern-countdown-timer {
    display: flex;
    gap: 8px;
}

.mern-cd-unit {
    background: rgba(255, 107, 0, 0.08);
    border: 1px solid rgba(255, 107, 0, 0.15);
    padding: 6px 14px;
    border-radius: 10px;
    text-align: center;
    min-width: 52px;
}

.mern-cd-num {
    display: block;
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.mern-cd-txt {
    font-size: 0.6rem;
    color: var(--mern-text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

.mern-countdown-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--mern-gradient-alt);
    color: #fff;
    border-radius: var(--mern-radius-pill);
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.25);
}

.mern-countdown-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 0, 0.4);
    color: #fff;
    text-decoration: none;
}